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Principal Machine Learning Engineer

Speechmatics | london, United-Kingdom | Posted May 26, 2026

Position Overview

We are hiring a Principal Machine Learning Engineer to work on cutting‑edge R&D and translating research into customer‑centric solutions.

As innovators in speech technology, our mission is to Understand Every Voice—a vision that has propelled us to be world leaders of Voice AI. Fuelled by innovation, inclusivity, and a passion for making a global impact through world‑leading Speech AI, we’re looking for an experienced Principal Machine Learning Engineer to accelerate our efforts towards exceptional speech solutions.

Our Modelling Team trains diverse models, including large self‑supervised ones, supporting Speechmatics towards being the most accurate speech recognition system globally. It also ensures their deployment into production, working with the latest developments in ML, but also with the best engineering practices for software engineering and model serving.

This is a hands‑on, technical leadership role with high ownership. You will develop and deplo...

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